Warning: include(01-04-57.php) [ function.include ]: failed to open stream: No such file or directory in /home/content/06/11607406/html/sortcode/content.php on line 3.
San Tan Valley, AZ Weather. The average temperature of San Tan Valley is 71.43Â°F, which is much higher than the Arizona average temperature of 65.97Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather. Heating Cost Index, #76.
Sponsored Topics. San Tan Valley is a Census-designated place in northern Pinal County, Arizona. It is a bedroom community located in the Phoenix metropolitan area's southeastern suburbs. As of the census of 2010, the population of San Tan Valley was 81,321. San Tan Valley derives its name from the nearby San Tan Mountains. The origin of the name San Tan is disputed, with suggestions ranging from a corruption of the name Santa Ana to the last name of George Santan, prior postmaster in nearby Gila County.